[gmx-users] Dihedral not counted?

Andrea Muntean andreamuntean at gmail.com
Mon Oct 27 17:00:20 CET 2008


Sorry,

once again for everybody in the list:

Here are the .rtp entries:


[PS1]
[atoms]
CH3     CH3     0       0
CH      CH1     0       0
CB      C       0       0
CG1     CR1     0       0
CG2     CR1     0       0
CG3     CR1     0       0
CG4     CR1     0       0
CG5     CR1     0       0

[bonds]
CH3     CH      gb_26
CH      CB      gb_26
CB      CG1     gb_15
CG1     CG2     gb_15
CG2     CG3     gb_15
CG3     CG4     gb_15
CG4     CG5     gb_15
CG5     CB      gb_15
CH      +CH2    gb_26

[angles]
;109,5 angle
CH3     CH      +CH2    ga_12
CH3     CH      CB      ga_12
CB      CH      +CH2    ga_12
;120 angle
CH      CB      CG1     ga_26
CH      CB      CG5     ga_26
CG1     CB      CG5     ga_26
CB      CG1     CG2     ga_26
CG1     CG2     CG3     ga_26
CG2     CG3     CG4     ga_26
CG3     CG4     CG5     ga_26
CG4     CG5     CB      ga_26

[impropers]
;keep the planarity of the ring
CB      CG1     CG2     CG3     gi_1
CG1     CG2     CG3     CG4     gi_1
CG2     CG3     CG4     CG5     gi_1
CG3     CG4     CG5     CB      gi_1
CG4     CG5     CB      CG1     gi_1
CG5     CB      CG1     CG2     gi_1
;around CB
CB      CG1     CG5     CH      gi_1
CB      CG5     CH      CG1     gi_1
CB      CH      CG1     CG5     gi_1
;around CH
CH      CB      +CH2    CH3     gi_1
CH      +CH2    CH3     CB      gi_1
CH      CH3     CB      +CH2    gi_1

[dihedrals]
;in the chain - 3-fold (n=3)
CH3     CH      +CH2    +CH     gd_16
CB      CH      +CH2    +CH     gd_16
;around CH-CB - 2-fold (n=2)
CH3     CH      CB      CG5     gd_1
CH3     CH      CB      CG1     gd_1
+CH2    CH      CB      CG5     gd_1
+CH2    CH      CB      CG1     gd_1
;around CB-CG - 2-fold?,do we need them?
CH      CB      CG1     CG2
CH      CB      CG5     CG4


[PS]
[atoms]
CH2     CH2     0       0
CH      CH1     0       0
CB      C       0       0
CG1     CR1     0       0
CG2     CR1     0       0
CG3     CR1     0       0
CG4     CR1     0       0
CG5     CR1     0       0

[bonds]
-CH     CH2     gb_26
CH2     CH      gb_26
CH      CB      gb_26
CB      CG1     gb_15
CG1     CG2     gb_15
CG2     CG3     gb_15
CG3     CG4     gb_15
CG4     CG5     gb_15
CG5     CB      gb_15
CH      +CH2    gb_26

[angles]
;109,5 angle
-CH     CH2     CH      ga_12
CH2     CH      +CH2    ga_12
CH2     CH      CB      ga_12
CB      CH      +CH2    ga_12
;120 angle
CH      CB      CG1     ga_26
CH      CB      CG5     ga_26
CG1     CB      CG5     ga_26
CB      CG1     CG2     ga_26
CG1     CG2     CG3     ga_26
CG2     CG3     CG4     ga_26
CG3     CG4     CG5     ga_26
CG4     CG5     CB      ga_26

[impropers]
;keep the planarity of the ring
CB      CG1     CG2     CG3     gi_1
CG1     CG2     CG3     CG4     gi_1
CG2     CG3     CG4     CG5     gi_1
CG3     CG4     CG5     CB      gi_1
CG4     CG5     CB      CG1     gi_1
CG5     CB      CG1     CG2     gi_1
;around CB
CB      CG1     CG5     CH      gi_1
CB      CG5     CH      CG1     gi_1
CB      CH      CG1     CG5     gi_1
;around CH
CH      CB      +CH2    CH2     gi_1
CH      +CH2    CH2     CB      gi_1
CH      CH2     CB      +CH2    gi_1

[dihedrals]
;in the chain - 3-fold
CH2     CH      +CH2    +CH     gd_16
CB      CH      +CH2    +CH     gd_16
-CH     CH2     CH      CB      gd_16
-CH     CH2     CH      +CH2    gd_16
;around CH-CB - 2-fold
CH2     CH      CB      CG5     gd_1
CH2     CH      CB      CG1     gd_1
+CH2    CH      CB      CG5     gd_1
+CH2    CH      CB      CG1     gd_1
;around CB-CG - 2-fold?,do we need them?
CH      CB      CG1     CG2
CH      CB      CG5     CG4

[ PSN ]
[atoms]
CH2     CH2     0       0
CH      CH1     0       0
CB      C       0       0
CG1     CR1     0       0
CG2     CR1     0       0
CG3     CR1     0       0
CG4     CR1     0       0
CG5     CR1     0       0
CH3     CH3     0       0

[bonds]
-CH     CH2     gb_26
CH2     CH      gb_26
CH      CB      gb_26
CB      CG1     gb_15
CG1     CG2     gb_15
CG2     CG3     gb_15
CG3     CG4     gb_15
CG4     CG5     gb_15
CG5     CB      gb_15
CH      CH3     gb_26

[angles]
-CH     CH2     CH      ga_12
CH2     CH      CH3     ga_12
CH2     CH      CB      ga_12
CB      CH      CH3     ga_12
CH      CB      CG1     ga_26
CH      CB      CG5     ga_26
CG1     CB      CG5     ga_26
CB      CG1     CG2     ga_26
CG1     CG2     CG3     ga_26
CG2     CG3     CG4     ga_26
CG3     CG4     CG5     ga_26
CG4     CG5     CB      ga_26

[impropers]
;keep the planarity of the ring
CB      CG1     CG2     CG3     gi_1
CG1     CG2     CG3     CG4     gi_1
CG2     CG3     CG4     CG5     gi_1
CG3     CG4     CG5     CB      gi_1
CG4     CG5     CB      CG1     gi_1
CG5     CB      CG1     CG2     gi_1
;around CB
CB      CG1     CG5     CH      gi_1
CB      CG5     CH      CG1     gi_1
CB      CH      CG1     CG5     gi_1
;around CH
CH      CB      CH3    CH2     gi_1
CH      CH3     CH2    CB      gi_1
CH      CH2     CB     CH3     gi_1

[dihedrals]
;in the chain - 3-fold (n=3)
-CH     CH2     CH      CB      gd_16
-CH     CH2     CH      CH3     gd_16
;around CH-CB - 2-fold (n=2)
CH2     CH      CB      CG5     gd_1
CH2     CH      CB      CG1     gd_1
CH3     CH      CB      CG5     gd_1
CH3     CH      CB      CG1     gd_1
;around CB-CG - 2-fold?,do we need them?
CH      CB      CG1     CG2
CH      CB      CG5     CG4
CB      CG1     CG5     CH      gi_1
CB      CG5     CH      CG1     gi_1
CB      CH      CG1     CG5     gi_1
;around CH
CH      CB      CH3    CH2     gi_1
CH      CH3     CH2    CB      gi_1
CH      CH2     CB     CH3     gi_1

[dihedrals]
;in the chain - 3-fold (n=3)
-CH     CH2     CH      CB      gd_16
-CH     CH2     CH      CH3     gd_16
;around CH-CB - 2-fold (n=2)
CH2     CH      CB      CG5     gd_1
CH2     CH      CB      CG1     gd_1
CH3     CH      CB      CG5     gd_1
CH3     CH      CB      CG1     gd_1
;around CB-CG - 2-fold?,do we need them?
CH      CB      CG1     CG2
CH      CB      CG5     CG4


And the .top file for the trimer, only the [atoms] and [dihedrals]
(only the proper dihedrals) part:
[ atoms ]
;   nr       type  resnr residue  atom   cgnr     charge       mass
typeB    chargeB      massB
    1        CH3      1    PS1    CH3      1          0     15.035   ; qtot 0
    2        CH1      1    PS1     CH      1          0     13.019   ; qtot 0
    3          C      1    PS1     CB      1          0     12.011   ; qtot 0
    4        CR1      1    PS1    CG1      1          0     13.019   ; qtot 0
    5        CR1      1    PS1    CG2      1          0     13.019   ; qtot 0
    6        CR1      1    PS1    CG3      1          0     13.019   ; qtot 0
    7        CR1      1    PS1    CG4      1          0     13.019   ; qtot 0
    8        CR1      1    PS1    CG5      1          0     13.019   ; qtot 0
    9        CH2      2     PS    CH2      2          0     14.027   ; qtot 0
   10        CH1      2     PS     CH      2          0     13.019   ; qtot 0
   11          C      2     PS     CB      2          0     12.011   ; qtot 0
   12        CR1      2     PS    CG1      2          0     13.019   ; qtot 0
   13        CR1      2     PS    CG2      2          0     13.019   ; qtot 0
   14        CR1      2     PS    CG3      2          0     13.019   ; qtot 0
   15        CR1      2     PS    CG4      2          0     13.019   ; qtot 0
   16        CR1      2     PS    CG5      2          0     13.019   ; qtot 0
   17        CH2      3    PSN    CH2      3          0     14.027   ; qtot 0
   18        CH1      3    PSN     CH      3          0     13.019   ; qtot 0
   19          C      3    PSN     CB      3          0     12.011   ; qtot 0
   20        CR1      3    PSN    CG1      3          0     13.019   ; qtot 0
   21        CR1      3    PSN    CG2      3          0     13.019   ; qtot 0
   22        CR1      3    PSN    CG3      3          0     13.019   ; qtot 0
   23        CR1      3    PSN    CG4      3          0     13.019   ; qtot 0
   24        CR1      3    PSN    CG5      3          0     13.019   ; qtot 0
   25        CH3      3    PSN    CH3      3          0     15.035   ; qtot 0

[ dihedrals ]
;  ai    aj    ak    al funct            c0            c1
c2            c3            c4            c5
   1     2     3     4     1    gd_1
   1     2     3     8     1    gd_1
   9     2     3     4     1    gd_1
   9     2     3     8     1    gd_1
   1     2     9    10     1    gd_16
   3     2     9    10     1    gd_16
   2     3     4     5     1
   2     3     8     7     1
   2     9    10    11     1    gd_16
   9    10    11    12     1    gd_1
   9    10    11    16     1    gd_1
  17    10    11    12     1    gd_1
  17    10    11    16     1    gd_1
   9    10    17    18     1    gd_16
  11    10    17    18     1    gd_16
  10    11    12    13     1
  10    11    16    15     1
  10    17    18    19     1    gd_16
  10    17    18    25     1    gd_16
  17    18    19    20     1    gd_1
  17    18    19    24     1    gd_1
  25    18    19    20     1    gd_1
  25    18    19    24     1    gd_1
  18    19    20    21     1
  18    19    24    23     1


Cheers,
Andrea



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